The hazards of taking medicines frequently to the body include: digestive tract reaction, liver and kidney function damage, high blood sugar, bacterial drug resistance, bleeding and so on. 1. Digestive tract reaction: the drug enters the stomach, will produce a certain degree of irritation to the stomach, often take the drug, may appear abdominal distension, abdominal pain and other symptoms, serious patients, may cause gastrointestinal bleeding and other diseases. 2. Liver and kidney function damage: most drugs are mainly metabolized by the liver and kidneys, long-term application of drugs that damage the liver and kidneys may cause liver function abnormalities, renal function abnormalities and so on, during the medication period, you need to monitor the liver function and kidney function. 3. High blood sugar: long-term use of glucocorticosteroids, such as prednisone, may cause high blood sugar, in addition to osteoporosis, buffalo back, femoral head necrosis and so on. 4. Generation of bacterial resistance: frequent use of antibiotic drugs, such as amoxicillin, can lead to the generation of bacterial resistance, affecting the effectiveness of antibiotic drugs. 5. Bleeding: long-term use of anti-platelet aggregation drugs, such as aspirin, may cause bleeding symptoms, such as bleeding gums, blood in the urine, gastrointestinal bleeding. When taking medication, you need to apply it under the guidance of a doctor, and not abuse the medication, so as not to affect your health.